Geissele SSA-E Issues

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Geissele SSA-E Issues

Postby MasonK on Wed Oct 07, 2020 4:58 pm

I installed my first Geissele trigger into the DD5V3 and immediately started having issues. Hoping someone here has a fix or I’ll just call customer service.

The issue is the hammer not resetting properly after firing. The gun cycles normally, but I had many dead triggers on a loaded chamber. Inspection of the round shows a light impact on the primer so the hammer is definitely coming down and I’m pretty certain I also had a double fire.

Any ideas on further diagnosis or a fix?
Last edited by MasonK on Wed Oct 07, 2020 5:40 pm, edited 1 time in total.
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Re: Geissele SSA-E Issues

Postby Ghost on Wed Oct 07, 2020 5:26 pm

Which model trigger?
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Re: Geissele SSA-E Issues

Postby MasonK on Wed Oct 07, 2020 5:40 pm

Ghost wrote:Which model trigger?


SSA-E
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Re: Geissele SSA-E Issues

Postby speedy396 on Wed Oct 07, 2020 11:07 pm

Maybe check that you have the hammer spring installed correctly.
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Re: Geissele SSA-E Issues

Postby MasonK on Thu Oct 08, 2020 9:04 am

speedy396 wrote:Maybe check that you have the hammer spring installed correctly.


Looks right to me, but here it is:

Image
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Re: Geissele SSA-E Issues

Postby Rip Van Winkle on Thu Oct 08, 2020 9:43 am

MasonK wrote:
speedy396 wrote:Maybe check that you have the hammer spring installed correctly.


Looks right to me, but here it is:

Image


Looks to me you have the hammer spring on the wrong side of the hammer.

Image
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Re: Geissele SSA-E Issues

Postby MasonK on Thu Oct 08, 2020 10:47 am

Hammer spring is seated correctly; I can verify that visually. The spring rides a lot higher than a mil spec trigger spring. I should have attached the hammer down pic as well since it's easier to see the spring is behind the hammer. Also, I don't think the hammer would work at all if it was backwards.

Image
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Re: Geissele SSA-E Issues

Postby Rip Van Winkle on Thu Oct 08, 2020 11:08 am

When you say "dead trigger" what do you mean?

When the problem occurs, does the hammer follow the bolt closed or is it locked back?
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Re: Geissele SSA-E Issues

Postby MasonK on Thu Oct 08, 2020 11:17 am

Rip Van Winkle wrote:When you say "dead trigger" what do you mean?

When the problem occurs, does the hammer follow the bolt closed or is it locked back?


The hammer is following the bolt into the closed position.

The gun fires, bolt cycles, new round is chambered, but it appears that the hammer isn't being captured by the disconnector and is riding back into the firing pin automatically. This is causing either the trigger to not reset at best (because the hammer is in the 'fired' position, or even fire the second round automatically.
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Re: Geissele SSA-E Issues

Postby samginko on Thu Oct 08, 2020 11:46 am

Your lower may have a screw coming in from the grip. This is a common method to reduce reset distance. If you screw in too much into the trigger group, it causes the problem you are describing.
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Re: Geissele SSA-E Issues

Postby Uffdaphil on Thu Oct 08, 2020 12:02 pm

It looks to me like your hammer spring is bent forcing the left leg out and the top of the coil inwards onto the surface where the disconnector hits. I’d try a new hammer spring rather than bend the old one.
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Geissele SSA-E Issues

Postby gun_fan111v2 on Thu Oct 08, 2020 1:35 pm

Could the gun be cycling but short stroking? Heavy buffer? Not enough gas? I am not that familiar with AR triggers but this one does not seem to have any adjustment screws.


Image
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Re: Geissele SSA-E Issues

Postby MasonK on Thu Oct 08, 2020 2:56 pm

gun_fan111v2 wrote:Could the gun be cycling but short stroking? Heavy buffer? Not enough gas? I am not that familiar with AR triggers but this one does not seem to have any adjustment screws.


I was thinking about that, but short stroking wouldn't allow for the next round to get picked up. The hammer gets dropped into the disconnector when the bolt reaches half-open (before the spent round is even ejected).
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Re: Geissele SSA-E Issues

Postby MasonK on Thu Oct 08, 2020 4:17 pm

Just heard back from Geissele CS. They looked at the pics and said everything looks in order.

Current recommendation from them is that I should adjust my grip to see if that makes a difference.
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Geissele SSA-E Issues

Postby gun_fan111v2 on Thu Oct 08, 2020 4:19 pm

Grip? Meaning to hold the trigger firmly back until the recoil cycle is over?
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